| 摘要 |
PURPOSE:To switch shared resources quickly and to sufficiently guard shared resources against access as well by allowing each host to generate closing information based on a logical host number inputted to the host itself and shared resource information and to check this generated information to decide whether access is permitted or not. CONSTITUTION:A logical host number input means 5 inputs a logical host number. An information input means 7 reads in shared resource definition information stored in a shared resource definition information storage area 13. A closing means 8 generates the closing information of shared resources, which the host itself cannot access, in accordance with the logical host number from the means 5 and shared resource definition information from the means 7 and registers this generated information in a closing information storage area 12. It is checked whether this registration is terminated normally or not, and the processing is terminated if it is terminated normally, but the error processing is performed if it is terminated abnormally.
|
